A two-stage oil-free
Screw Vacuum Pump is a power equipment consisting of a front stage pump and a rear stage pump connected in series. It adopts an asymmetric screw rotor with opposite motion design, and achieves gas transportation and pumping by periodically changing the inter tooth volume. Its core features include oil-free lubrication (avoiding oil pollution, suitable for high cleanliness industries such as pharmaceuticals and food), two-stage compression technology (quickly achieving high vacuum degree, with the ultimate vacuum degree exceeding 0.1Pa), and gradient compression capability (segmented cooling of high-temperature gases to reduce material thermal damage). This device has the advantages of high efficiency and energy saving (measured energy-saving rate can reach 50%), stable operation (low vibration, low noise), and corrosion resistance (stainless steel material can deal with corrosive gases). It is widely used in medical laboratories (vacuum filtration, centrifugal concentration), industrial manufacturing (electronic component packaging, vacuum packaging), and environmental protection treatment (waste gas recovery), especially suitable for scenarios with strict requirements for vacuum cleanliness and stability.
The two-stage oil-free screw
Vacuum Pump, with its unique design and technological innovation, has demonstrated significant advantages in industrial applications
Environmental Protection and Cleanliness: The oil-free design completely eliminates oil vapor pollution, meeting the needs of high cleanliness industries such as electronics, medical, and food, and avoiding the risk of process pollution.
Efficient and energy-saving: The dual stage compression structure combined with permanent magnet frequency conversion technology improves the pumping efficiency by more than 50%, reduces energy consumption by 20-30% compared to traditional pumps, and has outstanding long-term economic performance.
Corrosion resistance and durability: Made of special materials such as stainless steel, it can handle corrosive gases (such as NMP solvent in lithium battery manufacturing), extend equipment life, and reduce maintenance costs.
Wide pressure adaptability: Supports stable pumping over a wide range from atmospheric pressure to 10Pa, achieving high vacuum requirements without the need for a pre pump.
Low maintenance and high reliability: The non-contact screw design reduces wear and tear, with an average of over 20000 hours of trouble free operation. Only the intake filter needs to be replaced on a daily basis.
Comparative advantage: Compared to Roots pumps, the ultimate vacuum degree is higher (up to 0.1Pa); Compared to vortex pumps, it has stronger adaptability to complex gases (including dust and condensable steam) and lower maintenance costs.
Its applications cover fields such as medical vacuum filtration, semiconductor manufacturing, and environmental waste gas treatment, making it an advanced vacuum solution that balances performance, environmental protection, and economic benefits.
Double stage oil-free screw vacuum pumps are widely used in various industrial fields that require strict vacuum environments due to their clean, oil-free, efficient, stable, and adaptable characteristics. In the semiconductor industry, it is used for chip mounting and encapsulation, providing a high cleanliness vacuum environment to ensure yield; In the field of new energy vehicles, its oil-free characteristics ensure that the packaging process of electronic components is pollution-free; The food processing industry relies on its high-speed vacuum sealing capability to avoid oil pollution and improve production efficiency. In addition, the equipment also serves solvent recovery and drug purification in the chemical and pharmaceutical industries, as well as vacuum systems in the nuclear industry. It covers scenarios such as scientific research experiments and LCD display manufacturing, meeting the needs of high vacuum degree, low energy consumption, and environmental protection.
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